Home / 108,442.47-149,649.14-60,695.81

Finding the Fourth Proportional to 108,442.47, 149,649.14 and 60,695.81

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Solution

The fourth proportional to 108,442.47, 149,649.14 and 60,695.81 is: 83,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,442.47 : 149,649.14 = 60,695.81 : x
  2. Step 2: Convert to fraction form
    108,442.47/149,649.14 = 60,695.81/x
  3. Step 3: Cross multiply
    108,442.47x = 149,649.14 × 60,695.81
  4. Step 4: Simplify right side
    108,442.47x = 9,083,075,171.60
  5. Step 5: Solve for x
    x = 9,083,075,171.60/108,442.47
  6. Step 6: Final answer
    x = 83,759.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.